[D9248AAC], Telegram from Thomas Alva Edison to Samuel Insull, January 16th, 1892
https://edisondigital.rutgers.edu/document/D9248AAC
Transcription
Letterhead of the Laboratory of Thomas A. Edison Orange, N.J. Cable Address “Edison, New York” Jany 16/92 11AM Insull – Who do you buy your arc Carbons from I want badly by Express two hundred pounds of the mixture to make some carbon tubes at Laboratory Can you get your party to send by Express they seem to be afraid to sell their mixture, say thatany morethey need not send their regular mixture as we do not desire to pry into any of their trade secrets but to send any mixture that will mold & bake well without too much shrinkage Edison